EXT4-fs error (device loop6): htree_dirblock_to_tree:1112: inode #2: block 13: comm syz-executor: bad entry in directory: rec_len % 4 != 0 - offset=108, inode=4294901777, rec_len=65535, size=1024 fake=0
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bad length passed for symlink [/tmp/syz-imagegen2884317625/] (got 39, expected 29)
WARNING: CPU: 1 PID: 7940 at ./include/linux/fs.h:803 inode_set_cached_link+0xd0/0x110 include/linux/fs.h:802
Modules linked in:
CPU: 1 UID: 0 PID: 7940 Comm: syz-executor Not tainted 6.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:inode_set_cached_link+0xd0/0x110 include/linux/fs.h:802
Code: 41 5f 5d e9 cd 15 91 fe e8 8d b4 42 ff c6 05 d6 e2 a7 0d 01 90 48 c7 c7 20 eb 3d 8c 4c 89 f6 44 89 fa 89 e9 e8 61 70 02 ff 90 <0f> 0b 90 90 e9 6a ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c a1 e8
RSP: 0018:ffffc9000c2a7698 EFLAGS: 00010246
RAX: 3eb209eff03c3f00 RBX: ffff88805518a068 RCX: ffff88802cb7da00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 000000000000001d R08: ffffffff81819e52 R09: 1ffff110170c519a
R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88805518a068
R13: dffffc0000000000 R14: ffff888055189db8 R15: 0000000000000027
FS:  000055555d4f9500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000019680 CR3: 0000000078f18000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __ext4_iget+0x2ea4/0x3f30 fs/ext4/inode.c:5012
 ext4_lookup+0x3e3/0x750 fs/ext4/namei.c:1813
 __lookup_slow+0x298/0x400 fs/namei.c:1793
 lookup_slow+0x53/0x70 fs/namei.c:1810
 walk_component+0x2e1/0x410 fs/namei.c:2114
 lookup_last fs/namei.c:2612 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2636
 filename_lookup+0x2a3/0x670 fs/namei.c:2665
 user_path_at+0x3a/0x60 fs/namei.c:3072
 ksys_umount fs/namespace.c:2071 [inline]
 __do_sys_umount fs/namespace.c:2079 [inline]
 __se_sys_umount fs/namespace.c:2077 [inline]
 __x64_sys_umount+0xf1/0x170 fs/namespace.c:2077
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f92b6f8e497
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffcbf441e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f92b6f8e497
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcbf441ec0
RBP: 00007ffcbf441ec0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcbf442fb0
R13: 00007f92b700e08c R14: 000055555d4f94a8 R15: 00007ffcbf445170
 </TASK>